... detection system for tank truck,socket,probe) Optic sensor(overfill detection system,tank truck parts,f Hubei Chusheng ... trailer, Flatbed Container Semi-trailer, Instructional truck,Tractor,tractor head truck, tractor truck,towing vehicle,fuel tank,fuel tank truck ... Manholes, Spill Containers,swivels, Couplings and Valves etc. Optic sensor(overfill detection system for tank truck,socket,probe)